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Primula japonica 'Alba'
A semi-evergreen perennial forming a basal rosette of crinkled, light green leaves with stout stems in late spring and summer topped with whorls of white flowers with yellow centres.
Rudbeckia fulgida var. deamii
A clump-forming, herbaceous perennial with rough, dark green leaves and bearing golden yellow flowers with black centres from summer and into autumn.
Rudbeckia fulgida var. sullivantii 'Goldsturm'
A clump-forming herbaceous perennial with tall stems bearing golden yellow flowers with black centres in summer and into autumn.
Rudbeckia hirta 'Autumn Colours'
A blend of deep bronze to coppery toned flowers from mid summer into autumn.
Salvia 'Amethyst Lips'
A sub-shrub with aromatic, evergreen leaves, producing whorled spikes of purple and white flowers in summer and early autumn.
Salvia 'Amistad'
A tall, upright perennial with bright green, slender, aromatic leaves producing masses of large, deep purple, tubular flowers from summer into autumn.
This plant may be received cut back but it will soon begin to put on new growth.
Salvia 'Bleu Armor'
A wonderful Salvia with vivid blue flowers from late spring and throughout summer into early autumn, with a compact, well-branched habit.
Salvia 'Dyson's Joy'
A bushy perennial with aromatic, dark green leaves, producing distinctive bicolor, light and dark pink flowers with maroon bases from late summer through until autumn.
Salvia 'Hot Lips'
A bushy perennial with aromatic foliage producing stunning bright lipstick-red and white flowers throughout the summer and into autumn.
Salvia 'Nachtvlinder'
An evergreen sub-shrub with aromatic leaves and producing open racemes of velvety reddish-purple flowers in summer and into autumn.
Salvia 'Royal Bumble'
A lovely variety with bright cherry red flowers on purple-flushed stems in late summer. Best grown in plenty of light but with shelter from the hot sun.
Salvia confertiflora
A tall, woody perennial with scalloped, yellow-green, aromatic foliage producing slender spikes of rich, red-orange flowers in late summer and autumn.
Salvia microphylla 'Trebah Lilac White'
A lovely variety with fragrant white flowers from midsummer into autumn with a hint of lilac blush, rising above aromatic, green leaves.
Salvia nemorosa 'Caradonna'
A wonderful cultivar of ornamental sage with erect stems bearing masses of small, violet-blue flowers throughout summer and into autumn.
Salvia uliginosa
A very tall, robust, herbaceous perennial with sticky, lance-shaped leaves and bearing spikes of blue flowers from summer into autumn.
Salvia x jamensis 'Belle de Loire'
An upright perennial with aromatic foliage producing long spikes of bicoloures orange and yellow flowers right through from spring into autumn. The flower fade to creamy pink as the temperature drops towards the autumn.
Sedum cauticola 'Coca-Cola'
A trailing, succulent perennial with purple-flushed stems and grey-green leaves with dense clusters of bright pink flowers in late summer and early autumn.
Selinum wallichianum
A clump-forming perennial with erect, purple-red stems and bearing umbels of tiny white flowers from summer into autumn above attractive, lacy foliage.
Silene dioica
A mat-forming, semi-evergreen perennial often found growing wild, with ovate leaves and small clusters of purplish-pink flowers from summer into autumn.
Stachys byzantina
A mat-forming perennial with felted, grey-green foliage and bearing spikes of small, purple flowers in summer that are attractive to bees. A great ground cover plant which can act as a weed-suppressant which thrives in dry conditions.
Stachys byzantina 'Big Ears'
A mat-forming perennial with velvety, white-hairy green leaves producing spikes of purple flowers in summer.
Symphytum 'Hidcote Blue'
A clump-forming, spreading perennial with ovate, wrinkled foliage and bearing pendulous clusters of red buds opening into blue flowers in summer.
Tellima grandiflora
Rosette-forming perennial bearing greenish white flowers above scalloped foliage from May to July. A particularly good plant for areas of dry shade.
Teucrium flavum
A deciduous perennial or sub-shrub with shiny, green foliage producing spikes of pale yellow flowers with purple bases in summer.
Thalictrum 'Nimbus White' (Nimbus Series)
A clump-forming, deciduous perennial with bronze-green, upright stems of blue-green leaflets producing panicles of small, white flowers in summer.
Thalictrum 'Splendide'
An upright perennial producing panicles of delightful lilac-mauve flowers in summer with prominent creamy anthers on arching stems.
Thalictrum simplex
A clump-forming perennial with lobed green leaves, producing loose panicles of tiny yellow flowers with purple-green sepals in summer.
Thermopsis chinensis
A clump-forming perennial with pea-like leaves, producing spikes of soft yellow, lupin-like flowers from early spring.
Thymus 'Bressingham'
A mat-forming, woody perennial with aromatic, evergreen, grey-green foliage producing small pink flowers in summer.
Trollius chinensis 'Golden Queen'
An upright perennial with deeply-lobed and sharply-toothed dark green leaves with orange-yellow, bowl-shaped flowers in late spring and early summer.
Trollius europaeus 'Lemon Supreme'
A compact form which is usually about half the height of the species, producing a tidy clump of attractive, lobed, dark green, toothed leaves with plump, rounded, yellow buds opening to bright, lemon yellow, bowl-shaped flowers from late spring, often producing a second flush in autumn.
Trollius x cultorum 'Superbus'
A clump-forming perennial with deeply-divided basal foliage producing globular, lemon-yellow flowers on long stems in late spring and summer.
Tulbaghia violacea
A strong-growing perennial with grey-green, strap-like foliage and bearing pale purple-pink, fragrant flowers in late summer and into early autumn.
Tulbaghia violacea 'Alba'
A white-flowering form with linear, garlic-scented, grey-green foliage, producing large clusters of fragrant, white flowers from mid summer into autumn.
Tulbaghia violacea 'Silver Lace'
Clump-forming perennial with linear, variegated, grey-green foliage with a cream stripe producing fragrant lilac coloured flowers from summer into autumn.
Valeriana officinalis
Domed clusters of white to blush pink flowers in summer on tall, branching stems above aromatic foliage.
Viola hederacea
An evergreen perennial with dark to mid-green leaves and bearing tiny purple and white flowers from spring through until autumn. Will require some winter protection from frosts.
Viola sororia 'Freckles'
A deciduous perennial with ovate leaves with white flowers in spring, speckled with violet.